Abstract
With HST, colour–magnitude diagrams (CMDs) can be obtained for young star clusters well beyond the Local Group. Such data can help constrain cluster ages and metallicities, and also provide a reference against which intermediate- and high mass stellar models can be compared. Here, CMDs are presented for two massive (>105 M⊙) clusters and compared with Padua and Geneva isochrones. The problem of the ratio of blue to red supergiants is also addressed.
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Larsen, S.S. (2010). Resolving Extragalactic Star Clusters with HST/ACS. In: Macchetto, F. (eds) The Impact of HST on European Astronomy. Astrophysics and Space Science Proceedings. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-3400-7_25
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DOI: https://doi.org/10.1007/978-90-481-3400-7_25
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